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US 12,112,617 B2Granted
Driving mechanism
AssigneeTDK Taiwan Corp.
InventorsChao-Hsi Wang, Xuan-Huan Su, Kuen-Wang Tsai, Chao-Chang Hu
Life of this patent
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Abstract
A driving mechanism for moving a flat optical element is provided. The driving mechanism includes a fixed part, a movable member, and a driving assembly. The movable member is movably disposed on the fixed part and connected to the optical element. The driving assembly is configured to impel the movable member and the optical element to move relative to the fixed part. The driving assembly has a coil disposed on the fixed part.
Claims16
A driving mechanism for moving a flat optical element, comprising:
- a fixed part;
- a movable member, movably disposed on the fixed part and connected to the optical element;
- a slider, having a hinge pivotally connected to the movable member;
- a driving assembly, configured to impel the movable member and the optical element to move relative to the fixed part, wherein the driving assembly has a coil disposed on the fixed part and a magnetic element disposed on the slider;
- and
- a yoke, extending through the coil;
- wherein the hinge and the magnetic element are located on opposite sides of the slider, and the polar direction of the magnetic element is perpendicular to a central axis of the coil;
- wherein when a current signal is applied to the coil, the coil and the magnetic element generate an electromagnetic force to impel the slider and the magnetic element in a linear direction relative to the coil, and the movable member is forced to rotate relative to the fixed part along a curved path, wherein the linear direction is parallel to the central axis.
5 more elements
A driving mechanism for moving a flat optical element, comprising:
- a fixed part;
- a movable member, movably disposed on the fixed part and connected to the optical element;
- a driving assembly, configured to impel the movable member and the optical element to move relative to the fixed part, wherein the driving assembly has a coil disposed on the fixed part;
- a slider that has a hinge pivotally connected to the movable member, wherein the driving assembly further has a magnetic element disposed on the slider, and the hinge and the magnetic element are located on opposite sides of the slider;
- a circuit board;
- a magnet, disposed on the movable member;
- and a Hall effect sensor, disposed on the circuit board, wherein the magnet and the Hall effect sensor are accommodated in an opening of the fixed part.
4 more elements
Dependencies are inferred from the claim text.